BU7291G Datasheet, PDF (9/27 Pages) Rohm – High Speed with Low Voltage CMOS Operational Amplifiers

BU7291G,BU7291SG,BU7255HFV,BU7255SHFV,
BU7495HFV,BU7495SHFV,BU7481G,BU7481SG,BU7485G,BU7485SG,BU5281G,BU5281SG
Technical Note
●Reference Data (BU7291 family)
10 .0
BU7291 family
7 .5
5 .0
-40℃
25℃
2 .5
0 .0
85℃
-2 .5
105℃
-5 .0
-7 .5
- 10 .0
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig.13
Input Offset Voltage – Supply Voltage
(Vicm=VDD, VOUT=1.5[V])
1 0.0
BU7291 family
15
BU7291 family
7.5
5.0
2.5
5.5V
10
-40℃
5
85℃
105℃
0.0
-2.5
3.0V 2.4V
-5.0
-7.5
0
25℃
-5
-10
-1 0.0
-15
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
-1
0
1
2
3
4
INPUT VOLTAGE [V]
Fig.14
Fig.15
Input Offset Voltage – Ambient Temperature Input Offset Voltage – Input Voltage
(Vicm=VDD, VOUT=1.5[V])
(VDD=3[V])
160
BU7291 family
140
105℃
85℃
120
100
25℃
-40℃
80
60
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig.16
Large Signal Voltage Gain
– Supply Voltage
BU7291 family
120
100
5.5V
80
60
2.4V
3.0V
40
20
0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.19
Common Mode Rejection Ratio
– Ambient Temperature
160
BU7291 family
140
5.5V
120
100
2.4V
3.0V
80
60
-60
-30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.17
Large Signal Voltage Gain
– Ambient Temperature
140
BU7291 family
120
100
80
60
40
20
0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.20
Power Supply Rejection Ratio
– Ambient Temperature
120
BU7291 family
100
85℃
105℃
80
60
-40℃
25℃
40
20
0
2
3
4
5
6
SUPPLY VOLTAGE [V]
Fig.18
Common Mode Rejection Ratio
– Supply Voltage (VDD=3[V])
5
BU7291 family
4
5.5V
3
2
2.4V
3.0V
1
0
-60 -30 0 30 60 90 120
AMBIENT TEMPERATURE [ ℃]
Fig.21
Slew Rate L-H
– Ambient Temperature
BU7291 family
5.0
1 00
BU7291 family
2 00
Phase
4.0
5.5V
80
1 50
3.0
3.0V
60
2.4V
2.0
Gain
1 00
40
1.0
50
20
0.0
-60 -30 0
30 60 90 120
AMBIENT TEMPERATURE [℃]
Fig.22
Slew Rate H-L – Ambient Temperature
0
0
1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 1.E+08
FREQUENCY [Hz]
Fig.23
Voltage Gain－Frequency
(*)The above data is ability value of sample, it is not guaranteed. BU7291G: -40[℃] ~ +85[℃] BU7291SG: -40[℃] ~ +105[℃]
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2010.12 - Rev.A